Yes, I'd like to pay WUBRG instead of 8cmc
If you were already playing an artifact heavy reanimator deck in these colors, Jan Jansen, Chaos Crafter is also right at home in those builds too, but Ill be honest, I have yet to see a deck like the one this card enables

Advanced Search Sets Random Syntax Abolisher of Bloodlines Acolyte of Aclazotz Adanto Vanguard Alley Assailant Alluring Suitor Amalia Benavides Aguirre Anhelo, the Painter Anje Falkenrath Anje's Ravager Anje, Maid of Dishonor Anointed Deacon Anowon, the Ruin Sage Anowon, the Ruin Thief Arnyn, Deathbloom Botanist Arrogant Bloodlord Arrogant Outlaw Arrogant Vampire Arvad the Cursed Ascendant Evincar Astarion, the Decadent Asylum Visitor Balustrade Spy Baron Bertram Graywater Baron Sengir Barony Vampire Bartolom del Presidio Basilica Stalker Bat Whisperer Belligerent Guest Bishop of Binding Bishop of Rebirth Bishop of the Bloodstained Bishop's Soldier Bleak Coven Vampires Blood Artist Blood Bairn Blood Baron of Vizkopa Blood Burglar Blood Glutton Blood Host Blood Hustler Blood Hypnotist Blood Operative Blood Petal Celebrant Blood Researcher Blood Seeker Blood Tyrant Blood-Cursed Knight Bloodbat Summoner Bloodbond Vampire Bloodborn Scoundrels Bloodcrazed Neonate Bloodcrazed Paladin Bloodcrazed Socialite Bloodflow Connoisseur Bloodghast Bloodhall Priest Bloodhusk Ritualist Bloodletter of Aclazotz Bloodline Keeper Bloodline Necromancer Bloodlord of Vaasgoth Bloodmad Vampire Bloodmist Infiltrator Bloodrage Vampire Bloodrite Invoker Bloodsoaked Reveler Bloodsworn Knight Bloodsworn Squire Bloodsworn Steward Bloodthirsty Adversary Bloodthirsty Aerialist

Blood Artist and other payoffs take advantage of that fact, while reanimation cards bring your deathtouchers back for more
Kotis is not a particularly interesting commander, as its an ability weve seen before, and better